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Can someone explain __all__ in Python?
...al interfaces - python.org/dev/peps/pep-0008/#id50, To better support introspection, modules should explicitly declare the names in their public API using the __all__ attribute. Setting __all__ to an empty list indicates that the module has no public API.
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How to enter quotes in a Java string?
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\ = \\
" = \"
new line = \r\n OR \n\r OR \n (depends on OS) bun usualy \n enough.
taabulator = \t
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...e Format)
Image formats can be separated into three broad categories:
lossy compression,
lossless compression,
uncompressed,
Uncompressed formats take up the most amount of data, but they are exact representations of the image. Bitmap formats such as BMP generally are uncompressed, although th...
What does “&” at the end of a linux command mean?
... running through the "&" will also "stay alive" after ssh session is closed! pretty neat and useful if your connection to the server is interrupted**
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无人驾驶汽车大难题 人工智能同人的差距显著 - 资讯 - 清泛网 - 专注C/C++...
...自《纽约时报》的记者进行试乘，当时谷歌车辆即将经过一个红绿灯路口，系统检测到对面车道有车辆正以较快的速度行驶。为了避免可能出现的意外，谷歌车辆猛向右边车道变道，但实际上对面的车辆仅仅是在尝试能否通过红...
C: Run a System Command and Get Output? [duplicate]
...ets(path, sizeof(path), fp) != NULL) {
printf("%s", path);
}
/* close */
pclose(fp);
return 0;
}
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What does “Memory allocated at compile time” really mean?
...me that addresses are translated to real/hardware addresses by the MMU and OS.
Value initialized static storage things are a bit different. For example:
int array[] = { 1 , 2 , 3 , 4 };
In our first example, the compiler only decided where the array will be allocated, storing that information in...
What do Clustered and Non clustered index actually mean?
I have a limited exposure to DB and have only used DB as an application programmer. I want to know about Clustered and Non clustered indexes .
I googled and what I found was :
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How to unzip a list of tuples into individual lists? [duplicate]
... function, so zip() pairs up 1 with 3 with 8 first, then 2 with 4 and 9. Those happen to correspond nicely with the columns, or the transposition of l.
zip() produces tuples; if you must have mutable list objects, just map() the tuples to lists or use a list comprehension to produce a list of lists...
Run ssh and immediately execute command [duplicate]
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Forgot my own syntax, almost gave up on this! For anyone else, just suffix any command with "; bash -l". Perhaps you could change it to '[command]; bash -l' or something for clarities sake? I'll change my question. Thanks!
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